Stone and grit separator for clover-hullers.



515555525. PATENTEDIJUNE 4, 1907.

0. M. FOLLETT. STONE AND GRIT SEPARATOR FOR CLOVER HULLERS.

APPLICATION FILED OOTA, 1906.

rue NORRIS PETERS cc, wAsnmcroN, u. c.

UNITED STATES PATENT FFTGE,

STONE AND GRIT SEPARATOR FOR CLOVER-HULLERS.

Specification of Letters Patent.

Patented June 4, 1907.

Application filed October 4, 1906. Serial No. 337,429.

To all whom, it may concern:

Be it known that I, CHARLES M. FoLLETT, a citizen of the United States,residing at Montgomery, in the county of Hillsdale and State ofMichigan, have invented certain new and useful Improvements in Stone andGrit Separators for Clover-Hullers; and I do hereby declare thefollowing to be a full, clear, and exact description of the invention,such as will enable others skilled in the art to which it appertains tomake and use the same.

My invention relates to new and useful improvements in threshingmachines, and more particularly to a feeding device for clover hullers,and my object is to provide means for ridding the clover of foreignmatters such as stones, grit or the like, and a further object is toprovide means for separating the particles of straw and chaff from thestones and causing the same to be fed cleaner to the cylinder, while thestones repiain in a suitable receptacle provided there- Other objectsand advantages will be hereinafter referred to and more particularlypointed out in the claims.

In the accompanying drawings which are made a part of this application.Figure 1 is a sectional view through a feeding device with my improvedattachment secured thereto, the feeder and device being mounted upon oneend of the separator. Fig. 2 is a sectional view showing the receptacleremoved from position upon the feeder, and Fig. 3 is a perspective viewof the blast conveying pipe removed from the receptacle.

Referring to the drawing in which similar reference numerals designatecorresponding parts throughout the several views, 1 indicates the frameof the front end of a separator and 2 a cylinder mounted therein, thesaid frame and cylinder being constructed in the usual or any preferredmanner.

Disposed on the front part of the frame and in communication with thecylinder is a feeding device consisting of a chamber 3, having a hopper4 on its upper surface, through which clover or like products aredisposed into the chamber, the clover being engaged by an endless belt 5disposed horizontally in the chamber 3 and directly around suitablerollers 6, said rollers in turn being disposed upon shafts 7, which aredriven from any suitable point upon the separator.

The belt 5 is provided on its outer surface with a plurality of teeth 8,which are adapted to engage the straw disposed through the hopper 4, anddeliver the same to the cylinder 2, where the seed is extracted from theclover. The belt 5 is caused to travel in the direction indicated by thearrow in Fig. 1, or toward the front of the chamber 8, thereby disposingthe straw over the floor of the chamber 3, and directing the same overan opening 9 below which is disposed a troughlike receptacle 10, nearthe bottom of which is disposed a screen 11, between which and I thebottom of the receptacle is disposed a tubular nozzle 12, the opening 9,receptacle 10, screen 11 and tubular nozzle 12 extending the full widthof the chamber 3.

Mounted upon a suitable bracket 13 and secured to the front end of theframe 1 is a blast fan 14, said fan being of the usual or any preferredconstruction, and is driven by a belt 15 from any suitable point uponthe separator. The fan 14 is disposed in communication with the nozzle12 through the medium of a blast pipe 16, said pipe extending from theblast fan through an opening 17 in the receptacle 10, and intocommunication with the tubular nozzle 12 at its central portion, thenozzle 12 being provided with a plurality of bores 18, through which theblast from the fan escapes into'the trough-like receptacle 10.

It will be seen by this construction that when the straw is beingconveyed over the opening 9, the blast of air will be directed into thestraw thereby agitating the same, so that any impurities such as gravel,grit or the like will be separated therefrom, and descend into thereceptacle 10 and .rest upon the screen 11, thereby purifying the strawbefore it is engaged by the cylinder 2. It will also be seen that theblast from the fan will prevent any of the particles of straw or chafffrom descending into the trough-like receptacle 10, which would tend tochoke the same, and by providing the blast fan and disposing the samebelow the feeding mechanism, it will be seen that the straw will be moreor less purified by the dust being extracted therefrom and blown outthrough the hopper 4.

l/Vhat I claim is:

1. In a device of the class described the combination with a suitablefeeding mechanism having an opening therein, and means to direct thestraw over said opening; of a re ceptacle below said opening, a screeninsaid IIO connecting said fan and nozzle, means to I directed throughsaid nozzle and receptacle and means to dispose straw or the like abovesaid receptacle whereby the straw will be agitated and impuritiesremoved therefrom.

name to this specification in the presence of two subscribing witnesses.

CHARLES M. FOLLETT. Witnesses:

' R. M. CAIRNS,

ELMER E. BOVEE.

operate said fan whereby'a blast of air will be I 5 In testimony whereofI have signed my 20

